Mariner
OPTT icon

Mariner’s Ocean Power Technologies OPTT Stock Holding History

Mariner’s Portfolio OPTT Stock Details OPTT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-435
Closed -$3.92K – 3746
2025
Q4 		$3.92K Hold
435
– – ﹤0.01% 3518
2025
Q3 		$6.58K Buy
435
+33
+8% +$541 ﹤0.01% 3536
2025
Q2 		$5.72K Buy
+402
New +$5.72K ﹤0.01% 3460

Other funds holding OPTT

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
SIG
Spinnaker Investment Group Newport Beach, California $635M AUM 12.66% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return
DOA
D'Orazio & Associates Falls Church, Virginia $864M AUM 21.64% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Mariner's OPTT Position: Q1 2026 in Review

Mariner sold out of Ocean Power Technologies (OPTT) in Q1 2026, closing a stake of 435 shares — an estimated $3.92K sold.

Mariner first reported a position in OPTT in Q2 2025 and held it in 3 quarters. The position peaked at $6.58K in Q3 2025. 66 funds tracked by Wall St. Rank hold OPTT as of Q1 2026.

  • Mariner reported no remaining Ocean Power Technologies position as of Q1 2026 after selling out during the quarter.
  • Mariner sold 435 Ocean Power Technologies shares in Q1 2026, an estimated $3.92K.
  • Mariner first reported a position in Ocean Power Technologies in Q2 2025 and held it in 3 quarters.
  • Mariner's Ocean Power Technologies position peaked at $6.58K in Q3 2025.
  • 66 funds tracked by Wall St. Rank held Ocean Power Technologies as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.